National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

44°F

7°C

Humidity 65%
Wind Speed S 5 mph
Barometer 30.26 in (1024.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 4 Mar 11:54 am EST
Extended Forecast for

Watertown MA

Winter Weather Advisory March 5, 05:00pm until March 6, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. South wind 3 to 6 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 28. South wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Areas Fog

  • Thursday

    Thursday: A chance of rain before 4pm, then a chance of rain and sleet between 4pm and 5pm, then rain likely after 5pm. Cloudy, with a high near 39. Light and variable wind becoming northeast 6 to 11 mph in the morning. Chance of precipitation is 60%. Little or no sleet accumulation expected.

    High: 39 °F

    Cloudy then
    Rain/Sleet
    Likely

  • Thursday Night

    Thursday Night: Rain, snow, and sleet before 4am, then snow between 4am and 5am, then snow, possibly mixed with rain after 5am. Low around 32. Northeast wind around 8 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 2 inches possible.

    Low: 32 °F

    Wintry Mix

  • Friday

    Friday: Rain and snow, possibly mixed with sleet before 10am, then a chance of rain between 10am and 2pm. High near 34. Northeast wind 7 to 9 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    High: 34 °F

    Wintry Mix
    then Chance
    Rain

  • Friday Night

    Friday Night: A slight chance of rain after 3am. Cloudy, with a low around 34. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 34 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 53. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 53 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain between 7pm and 3am. Mostly cloudy, with a low around 43. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 54. West wind around 7 mph.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. South wind 3 to 6 mph.
Tonight
Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 28. South wind around 5 mph becoming calm in the evening.
Thursday
A chance of rain before 4pm, then a chance of rain and sleet between 4pm and 5pm, then rain likely after 5pm. Cloudy, with a high near 39. Light and variable wind becoming northeast 6 to 11 mph in the morning. Chance of precipitation is 60%. Little or no sleet accumulation expected.
Thursday Night
Rain, snow, and sleet before 4am, then snow between 4am and 5am, then snow, possibly mixed with rain after 5am. Low around 32. Northeast wind around 8 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 2 inches possible.
Friday
Rain and snow, possibly mixed with sleet before 10am, then a chance of rain between 10am and 2pm. High near 34. Northeast wind 7 to 9 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Friday Night
A slight chance of rain after 3am. Cloudy, with a low around 34. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 53. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A chance of rain between 7pm and 3am. Mostly cloudy, with a low around 43. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 54. West wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 38. Southwest wind around 7 mph.
Monday
Sunny, with a high near 59. Southwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 42. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 64. Southwest wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
12:11 pm EST Mar 4, 2026
Forecast Valid:
12pm EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation